update vs. upgrade

Last Updated : Jul 11, 2023 |
An update refers to an enhancement. In software, an update can be a simple patch or bug fix.
An upgrade refers to a new version of software and generally represents a more significant change than an update.
Examples
Upgrade from Avaya Aura® System Manager Release 8.x to Release 10.1.x.
Avaya provides periodic updates and patches for Application Enablement Services software.
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